Heavy-equipment precision potentiometer, in distribution

June 14, 2021 // By Christoph Hammerschmidt
Heavy-equipment precision potentiometer, in distribution
The 981 HE potentiometer series from Vishay targets off-road vehicle applications in harsh environments such as construction and agricultural machinery as well as forklifts and the like.

The 981 HE series operates using non-contact Hall-effect technology, making it particularly durable and able to withstand high vibration. Available with hollow shaft or D-shaft as well as spring-loaded version, it offers precise linearity of up to ±0.5%, as well as excellent repeatability.

Thanks to advanced Hall-effect technology, the 981 HE series sensors are capable of operating without limitations under conditions of high-frequency vibration up to 20 G and shock up to 50 G, as well as over a wide temperature range from -45°C to +125°C. This gives them a distinct advantage over other technologies.

The series also features its simple mounting and high durability with approximately 10 million cycles. The high precision is ensured by nearly 360° scanning.  

The 981 HE series is designed for foot pedal position sensors, throttle position sensors, steering position sensors, drive-by-wire, lift and shuttle position sensors, tilt control and tilt positioning feedback, and suspension system position sensors. It is thus used in marine and aerospace applications, agricultural and construction machinery, such as forklifts or cranes, as well as in motor vehicles, e.g. also for dashboard control.  

Vishay‘s 981 HE series is available from distributor Rutronik.



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